Figure 2

Female embryo (left) and male embryo (right), both infected with S. poulsonii (16–18 h AEL). The top pictures, A and B, shows fluorescence with anti-SXL antibody in female and male respectively, and the bottom pictures, C and D, show the embryos structure under DAPI in female and male respectively. The female has developed normally and reached stage 16, the male has arrested before segmentation, and shows a characteristic amnioseral bulge.